[" 29.Which one of the following is incorrect about the "],[" characteristics of protobionts (coacervates about the "],[" as envisaged in the abiogents (coacervates and microspheres) "],[" (a) They were partially isolated from the surroundings."],[" (b) They could maintain an internal environment."],[" (b) They were able to reproduce sexually."],[" (d) They could separate combinations of molecules "],[" from the surroundings."]